Facsimile and static presentation processing – Facsimile – Facsimile measuring – testing – or calibrating
Patent
1992-02-25
1993-11-30
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Facsimile measuring, testing, or calibrating
358444, 358448, 358296, 358401, H04N 121, H04N 123, H04N 140
Patent
active
052670490
ABSTRACT:
An image quality adjusting apparatus provided for a copying machine having a capability of adjusting copied image quality of an original, includes a unit for reading image data, a first storing unit for storing image data of the original read by the reading unit, a second storing unit for storing image data of a copied sheet read by the reading unit, the copied sheet being copied by the copying machine, and a unit for deriving correction data by means of comparing the original image data stored in the first storing unit with the copied sheet image data stored in the second storing unit, and amending the original image data on the basis of the derived correction data.
REFERENCES:
patent: 4700236 (1987-10-01), Abe
patent: 4831415 (1989-05-01), Kasuya
patent: 4959669 (1990-09-01), Haneda et al.
patent: 5038208 (1991-08-01), Ichikawa
Patent Abstracts of Japan, Publication No. 59-57264 (A), Publication Date Apr. 1984.
Patent Abstracts of Japan, Publication No. 60-247659 (A), Publication Date Dec. 1985.
Coles Sr. Edward L.
Conlin David G.
O'Connell Robert F.
Rogers Scott A.
Sharp Kabushiki Kaisha
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